Mateusz Wojasiewicz

Meet Mateusz

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I help e-commerce, marketplace and consumer teams work out what is actually holding paid growth back — and fix it.

I work hands-on across Meta, Google, TikTok, Snapchat and Pinterest Ads, plus GA4, GTM and Looker Studio. Sometimes the problem is campaign structure or budget allocation. Sometimes it is the funnel, tracking, offer or messaging. I follow the evidence instead of forcing every account into the same playbook.

Over nearly five years, I have worked across 16 markets, with active-day spend of PLN 40–60K and annual media portfolios above PLN 5M. I have improved onboarding-start CPA from PLN 58 to PLN 9, helped an April marketplace campaign reach +220% GMV month on month, and managed paid growth across seven international e-commerce markets, with all seven growing both revenue and transactions year on year in the measured period.

I can step in for a focused rescue, rebuild how performance is managed across markets, or stay longer-term across growth strategy, execution and client success. That can include paid media, measurement, offer and messaging, brand positioning, channel planning and the operating workflows behind the work. I use AI and automation where they make decisions faster and execution cleaner, but the judgment stays human.

If you are spending and still cannot clearly say what to cut, hold or scale, send me the context. I will tell you what I see and what I would do next.